Finding the Fourth Proportional to 2,133.59, 2,944.25 and 1,189.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.59 : 2,944.25 = 1,189.48 : x
2. Step 2: Convert to fraction form
   2,133.59/2,944.25 = 1,189.48/x
3. Step 3: Cross multiply
   2,133.59x = 2,944.25 × 1,189.48
4. Step 4: Simplify right side
   2,133.59x = 3,502,120.54
5. Step 5: Solve for x
   x = 3,502,120.54/2,133.59
6. Step 6: Final answer
   x = 1,641.43